<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>数组</title>
  <link rel="stylesheet" href="../css/common.css">
</head>

<body>
  <input type="text" id="txtInfo" placeholder="数组信息">
  <button id="btnAdd">添加</button>
  <span id="spInfo"></span>
  <select id="selInfo"></select>
  
  <script src="js/b03.js"></script>
</body>

</html>